$156+ Cheap flights from Pennsylvania to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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Cheapest flights from Pennsylvania to IdahoExplore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
Explore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2026.
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:30 am -
1 stop9h 29m
Mon 12/141:39 pm -
1 stop8h 18m
Deal found 11/3![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:11 pm -
1 stop6h 59m
Wed 12/93:00 pm -
1 stop6h 54m
Deal found 11/4![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
1 stop9h 19m
Mon 12/147:45 pm -
1 stop7h 55m
Deal found 11/4![Alaska Airlines logo]()
$355
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:55 pm -
1 stop23h 05m
Wed 11/257:55 pm -
1 stop8h 06m
Deal found 11/5![Frontier logo]()
$378
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:41 am -
1 stop7h 56m
Sun 12/62:40 pm -
1 stop7h 01m
Deal found 10/31![United Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:34 am -
1 stop9h 08m
Sun 12/66:45 pm -
1 stop9h 10m
Deal found 11/1![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:02 am -
1 stop7h 57m
Sun 12/61:39 pm -
1 stop6h 49m
Deal found 11/1![American Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:08 am -
1 stop8h 47m
Thu 12/101:39 pm -
1 stop6h 49m
Deal found 11/5![American Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:20 am -
1 stop7h 30m
Mon 12/214:10 pm -
1 stop6h 25m
Deal found 11/4![Southwest logo]()
$410
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:06 pm -
2 stops9h 20m
Sun 12/61:47 pm -
1 stop8h 01m
Deal found 11/3![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:19 am -
1 stop7h 41m
Sun 12/206:06 am -
1 stop7h 34m
Deal found 11/4![American Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:24 am -
2 stops9h 15m
Mon 12/142:48 pm -
1 stop6h 53m
Deal found 11/4![United Airlines logo]()
$446
Best flights from Pennsylvania to IdahoDiscover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This Orbitz deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/48:00 am -
1 stop9h 27m
Tue 1/196:44 pm -
2 stops23h 51m
Deal found 10/31![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:00 am -
2 stops10h 10m
Thu 1/211:12 pm -
1 stop8h 46m
Deal found 11/4![Delta logo]()
$316
This American Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/291:20 pm -
1 stop9h 45m
Sun 1/3112:28 pm -
1 stop8h 31m
Deal found 11/2![American Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/264:46 pm -
1 stop6h 47m
Tue 2/26:00 am -
1 stop10h 11m
Deal found 11/3![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/47:45 pm -
1 stop7h 45m
Tue 1/192:35 pm -
1 stop7h 45m
Deal found 10/31![Southwest logo]()
$377
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/512:22 pm -
2 stops10h 02m
Sat 12/125:15 am -
2 stops11h 43m
Deal found 11/2![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/74:46 pm -
1 stop6h 47m
Wed 1/207:04 am -
1 stop9h 07m
Deal found 10/31![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/76:15 am -
2 stops9h 15m
Wed 1/2011:40 am -
2 stops9h 30m
Deal found 10/31![Southwest logo]()
$387
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/296:00 am -
1 stop10h 10m
Sun 1/312:21 pm -
1 stop8h 37m
Deal found 11/4![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:02 am -
1 stop7h 57m
Sun 12/61:39 pm -
1 stop6h 49m
Deal found 11/1![American Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/74:46 pm -
1 stop6h 47m
Tue 1/196:20 am -
2 stops8h 39m
Deal found 11/2![United Airlines logo]()
$378
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:19 am -
1 stop7h 41m
Sun 12/206:06 am -
1 stop7h 34m
Deal found 11/4![American Airlines logo]()
$417
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:41 am -
1 stop7h 56m
Sun 12/62:40 pm -
1 stop7h 01m
Deal found 10/31![United Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:34 am -
1 stop9h 08m
Sun 12/66:45 pm -
1 stop9h 10m
Deal found 11/1![Delta logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/258:00 am -
1 stop9h 05m
Sun 2/287:55 pm -
2 stops22h 32m
Deal found 11/2![Alaska Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/174:00 pm -
2 stops10h 55m
Sun 12/204:10 pm -
1 stop6h 10m
Deal found 11/4![Southwest logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1212:58 pm -
2 stops13h 01m
Tue 12/158:02 am -
2 stops10h 55m
Deal found 11/4![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:06 pm -
2 stops9h 20m
Sun 12/61:47 pm -
1 stop8h 01m
Deal found 11/1![Delta logo]()
$414
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/105:07 am -
1 stop10h 12m
Tue 3/161:49 pm -
1 stop8h 02m
Deal found 11/3![American Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/235:35 pm -
1 stop7h 40m
Wed 1/277:04 am -
2 stops13h 40m
Deal found 11/4![United Airlines logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/118:00 am -
1 stop9h 05m
Sun 3/142:00 pm -
1 stop28h 27m
Deal found 11/3![Alaska Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:24 am -
2 stops9h 15m
Mon 12/142:48 pm -
1 stop6h 53m
Deal found 11/4![United Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/26:05 am -
1 stop9h 21m
Tue 2/92:21 pm -
1 stop7h 24m
Deal found 11/1![Delta logo]()
$449
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/288:00 am -
1 stop7h 19m
Fri 3/512:30 pm -
1 stop6h 30m
Deal found 11/3![American Airlines logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:30 pm -
1 stop17h 31m
Mon 12/287:59 pm -
1 stop7h 43m
Deal found 11/1![Alaska Airlines logo]()
$503
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:15 am -
1 stop7h 00m
Sun 11/221:11 pm -
2 stops9h 43m
Deal found 11/3![Delta logo]()
$454
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:30 am -
2 stops15h 01m
Sun 12/138:00 am -
2 stops12h 30m
Deal found 11/1![American Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:20 am -
1 stop7h 35m
Sun 1/248:15 am -
1 stop8h 56m
Deal found 11/4![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:22 pm -
2 stops11h 45m
Sun 12/66:59 pm -
2 stops12h 30m
Deal found 10/31![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:35 pm -
1 stop7h 57m
Fri 11/276:20 am -
1 stop8h 55m
Deal found 11/1![United Airlines logo]()
$494
Last-minute flights from Pennsylvania to IdahoDiscover last-minute flight deals from Pennsylvania to Idaho. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Idaho. Data last updated November 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:55 pm -
1 stop23h 05m
Wed 11/257:55 pm -
1 stop8h 06m
Deal found 11/5![Frontier logo]()
$378
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:11 pm -
1 stop6h 59m
Wed 12/93:00 pm -
1 stop6h 54m
Deal found 11/4![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:08 am -
1 stop8h 47m
Thu 12/101:39 pm -
1 stop6h 49m
Deal found 11/5![American Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:41 am -
1 stop7h 56m
Sun 12/62:40 pm -
1 stop7h 01m
Deal found 10/31![United Airlines logo]()
$387
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/47:02 am -
1 stop7h 57m
Sun 12/61:39 pm -
1 stop6h 49m
Deal found 11/1![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:06 pm -
2 stops9h 20m
Sun 12/61:47 pm -
1 stop8h 01m
Deal found 11/3![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:34 am -
1 stop9h 08m
Sun 12/66:45 pm -
1 stop9h 10m
Deal found 11/1![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:30 am -
1 stop9h 29m
Mon 12/141:39 pm -
1 stop8h 18m
Deal found 11/3![American Airlines logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
1 stop9h 19m
Mon 12/147:45 pm -
1 stop7h 55m
Deal found 11/4![Alaska Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/125:20 am -
1 stop7h 30m
Mon 12/214:10 pm -
1 stop6h 25m
Deal found 11/4![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/126:24 am -
2 stops9h 15m
Mon 12/142:48 pm -
1 stop6h 53m
Deal found 11/4![United Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:19 am -
1 stop7h 41m
Sun 12/206:06 am -
1 stop7h 34m
Deal found 11/4![American Airlines logo]()
$417
One-way flights from Pennsylvania to IdahoSearch for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/186:00 am -
1 stop10h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$156
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/16:40 pm -
1 stop7h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:49 pm -
2 stops32h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$185
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 pm -
1 stop6h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$189
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:35 pm -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$190
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:00 am -
1 stop10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$198
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/149:27 am -
1 stop9h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![American Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:49 pm -
2 stops32h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Frontier logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/276:14 pm -
1 stop18h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Alaska Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:35 pm -
1 stop6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
1 stop10h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Alaska Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:10 am -
2 stops9h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$229
Find flight deals from Pennsylvania to Idaho
Keep the following information in mind while searching for Pennsylvania to Idaho flight deals. Data was last updated November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $311 (American Airlines) |
One-way from | $156 (Delta) |
Popular in | June |
Cheapest in | November |
Average price | $352 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 5, 2026.
Use the filters below to find and compare flights from Pennsylvania to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Mon 1/18
6:00 am-2:10 pm
1 stop10h 10m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Wed 12/2
7:11 pm-12:10 am
1 stop6h 59m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$156
PhiladelphiaBoise
PHL Philadelphia - BOI Boise Air Term. Gowen Fld
PHLBOI
Philadelphia
Thu 4/1
6:40 pm-12:04 am
1 stop7h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$166
PittsburghBoise
PIT Pittsburgh - BOI Boise Air Term. Gowen Fld
PITBOI
Pittsburgh
Sat 12/5
6:00 pm-10:59 pm
1 stop6h 59m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
PittsburghBoise
PIT Pittsburgh - BOI Boise Air Term. Gowen Fld
PITBOI
Pittsburgh
Mon 11/23
3:14 pm-9:59 pm
1 stop8h 45m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$189
PittsburghIdaho Falls
PIT Pittsburgh - IDA Idaho Falls Fanning Field
PITIDA
Pittsburgh
Wed 12/2
5:35 pm-10:07 pm
1 stop6h 32m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$190
PhiladelphiaHailey
PHL Philadelphia - SUN Hailey Sun Valley-Friedman
PHLSUN
Philadelphia
Wed 1/27
6:14 pm-10:41 am
1 stop18h 27m
Hailey Sun Valley-Friedman
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$222
Quickest round-trip
PittsburghBoise
PIT Pittsburgh - BOI Boise Air Term. Gowen Fld
PITBOI
Pittsburgh
Sun 12/6
5:35 pm-10:05 pm
1 stop6h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$224
PhiladelphiaIdaho Falls
PHL Philadelphia - IDA Idaho Falls Fanning Field
PHLIDA
Philadelphia
Sat 12/12
7:00 am-3:07 pm
1 stop10h 07m
Idaho Falls Fanning Field
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$225
PittsburghBoise
PIT Pittsburgh - BOI Boise Air Term. Gowen Fld
PITBOI
Pittsburgh
Thu 11/19
5:28 pm-9:59 pm
1 stop6h 31m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$233
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Pennsylvania with our price prediction graph.
PHL-BOI
PIT-BOI
PIT-IDA
PHL-IDA
PHL-SUN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Pennsylvania to Idaho
USPA-USID
PHL-BOI
PIT-BOI
PIT-IDA
PHL-IDA
What is the cheapest month to book a flight from Pennsylvania to Idaho?
Currently, April is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $460). Flying from Pennsylvania to Idaho in July is currently the most expensive (average of $586). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Pennsylvania to Idaho?
Airfare is below average for this route at the moment.
Pennsylvania to Idaho flights typically cost between $326 and $618 in January.The cheapest round-trip price found within the last 5 days was $311 on American Airlines (Jan 14-Jan 21).
How far ahead should I book a flight from Pennsylvania to Idaho?
The price you pay for your flight from Pennsylvania to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated November 5, 2026.
Read through reviews of airlines operating flights from Pennsylvania to Idaho, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Pennsylvania to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pennsylvania to Idaho by cabin class
Find flights from Pennsylvania to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Idaho flights
Browse other Pennsylvania and Idaho flight options. Last updated on November 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Pennsylvania after your stay in Idaho
Pennsylvania to Idaho flights
Consider these flights traveling from Pennsylvania to Idaho.
Top 4 airlines flying from Pennsylvania to Idaho
Discover the top 4 airlines that operate flights from Pennsylvania to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$515 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$568 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$283 | Average$561 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$326 | Average$522 | FlexibilityNo cancel fee | On-time63% |